1790 Sleeve Bearing

Comprehensive specifications and application details for: 1790 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 1790. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
1790
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-009-9172
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
08/11/1972

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

qq-c-390 fed spec single material response overall material document and classification, 2.9950 inches minimum and 3.0050 inches maximum overall length, square all corners corner shape, 2.3770 inches minimum and 2.3780 inches maximum body outside diameter, 1.9990 inches minimum and 2.0010 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-009-9172 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
1.9990 inches minimum and 2.0010 inches maximum
Body Outside Diameter
2.3770 inches minimum and 2.3780 inches maximum
Corner Shape
square all corners
Overall Length
2.9950 inches minimum and 3.0050 inches maximum
Material Document And Classification
qq-c-390 fed spec single material response overall
Material
copper alloy 932 overall
Nondefinitive Spec/Std Data
1 type
Style Designator
solid, plain, no outside flanges
Surface Finish
63.0 microinches inside diameter surface of body
Surface Finish
63.0 microinches outside diameter surface of body

Frequently Asked Questions

Find quick answers to common questions about bearing: 1790. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-009-9172?
The FSCG of the NSN 3120-00-009-9172 is 3120
Does the NSN 3120-00-009-9172 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-009-9172 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3120-00-009-9172 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-009-9172 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3120-00-009-9172 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Aug 11, 1972

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